Automobile lock



Patented Aug. 9, 19'2'17. 7 .j l

' applicati@ meti r`bnf1'aryl- This invention rela-tes to. an automobile lock' especially designed for "use on'4 the hand 'brakes of'automobile's; y Y.

; -The object of the invention is to provide 1a lock of this fcharact'erwhich is organized with the hand lever and latch rod of a hand u .brake in such manner as; to be adapted .to f secure the vlatch rod'against movement ,to-

; prevent release ,of thehandbrake and con.-

f y .comparatively inexpensive V j 1 and apply.,

'sequently to prevent movement lof the car by an unauthorized/person. j

A further object is the provision 'of'.a. lock of this character and having these advantages andrwhich is of simple .and durable construction, and reli'ablerand effective in operation, which does not detractJ from the appearance ,of the car, andrwhic'h is Veasy andv i to manufacture @ther obj Will be hereinafter more fully described andv Figure is a groupvi panying drawings specification, and yinfvvhich Y i l embodiment-ofthe invention,VV

' particularly Vpointed .out in the appended claim, .reference being hadto'the accom-` forming a part of this Figure llfis a perspective view showingan.V

' "Figure' isa View partly in section and partly" yin elevation of the arrangement; shown in Figure l, and f f 'ew in `perspective of A the parts of the lockprior to assembly;y

-brakeof the type used on automobiles;v As

Referring to the drawings,V the numeral '11 designates'generally a hand lever. of a hand is Well known these hand vlevers are latched in position on aquadrant (notjshown) lby Vmeans of -aldetent `(not shown) ywhich isg operated from a latchrod 2. The latchrod 2 is fitted in aflengthvvise opening' formedA inthe hand` leverl Adjacent the upper Y l'arged, as at 4.

end of the hand lever the opening Svis'enf A combined operating `member and lock casing 5 isthreadedly yconnected With the per end of the latch., rod 2.and isff'itted rfor free sliding and'rotary movement in the enlarged portion 4" of the opening ofthe lever. Preferably thel element vvand the por-L tion 4 of the lever opening areiof lcylindrical form. A coil, spring 6 enci'rclestheV upperend of the latch rod 2 andabutsthe innerv endof thefelement 5 at its yone end anda shoulder 7 on the lever '1V at its other. end. j

I ects and advantagesreside yin l*certain novel features ofthe construction, u arrangement and combination of parts which 9, 192752A vSepriai V-No; zeeei sets oftumblersare provided so that'fthel jectable bolt A411 is'mounted for sliding move- J y' i ment ina transverse opening 12' of the lock Vif `l casing, the openinglf4 communicating With theope'ningQ, Acoil spring 13 ,tendstoproject the bolt A11 butthe movement of the bolt iscontrolled from the barrelvS by means of an eccentricpin 14 carriedbythe barrel and engageable witha lugl p rovided'ron';k i' Y i theV bolt.

The bolt 1l when projected is engagedin'.V Y i a lateralfor transverse recess 16 formedinv Y the hand lever l adjacent the enlargediend 4 of the opening Birof the hand leven The] With this arrangement vvhien the oeI- fsr x sofilligecess 16 provides a! seator kkeeper for Ithe 'i `olt. .el n., L

i. left parked avkey maybeinserted 'inthe' slot 10 and the' barrel 8 yrotated to' permit: the bolt 111gl to be projected, 4by the Vactionv of j the spring-:13, into the seat 16.- This vlocks;A f the combination loperating member and'lock` f casing against movement. As itv is-ne'ces-Z sary to depress thejcombination operating .member and locky casing'- 5 tov release: the f hand brake and, ofcourse, the same has been set before I.the bolt l1 is'projected, thecar 'f is effectively 'locked against movement' by..A

vany unauthorized` person. The oyvneroorr" A Vperson authoriz'edto operate thel carj'may in-l l sertthe key in thefslot 10of nthebarreli-S Y' and yrotate the barrel so as to causethef'pin l14 to co-actysvith the lug'l'jto' retract the 4 bolt(V VVVhen' the bolt ,has beenretracted'the ovvneror thesame.

ice `key,mayfbe-Withdrawn andthe boltfis held-5*: f Y

retractedby means ofia' set of ltiuimblersin 'I accordance WithV the ordinary?` practice.` f, VSince the bolt'll isfhel'd retracted theemer# :gen'cy brake' maybe freely operated bythey authorized vdriver-unless he locks "A lock-chut; is `threaded Ythe Y rod-2 and engages the combination operat- Y ing member and lock casing 5A to hold the same in position whereby proper''alignmentl of the boltll with itslrecessflisinsured. f

lIcletim'il i i Y vsaid bore, and vComprising :zti combined loper- .;vetingamember and lock casing, the easing' being threadedly conneeted tof -thelatohrod and Slidably'andvrotatably though snugly 11o y' jofplthe lever, a; key operated flock in seid fitted"inftlierjenlarged upper endof the bore easingliaving a radially sliding bolt, said Y hand lever having a radialopening communicating With the enlarged portion of its bore and inl Whioli'the projected portion of ktliebolt is adaptedfto bersnugly tted' to positivelyloolr and hold thev rod `against both vrotating and sliding movement and to prevent ktlieurodrom'being-'sprung to disengage l Y the` bolt from o saidv rdil opening. 

